125424520000 has 280 divisors, whose sum is σ = 349531814016. Its totient is φ = 44292864000.

The previous prime is 125424519973. The next prime is 125424520009. The reversal of 125424520000 is 25424521.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125424520009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11954757 + ... + 11965243.

Almost surely, 2^125424520000 is an apocalyptic number.

125424520000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125424520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174765907008).

125424520000 is an abundant number, since it is smaller than the sum of its proper divisors (224107294016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125424520000 is a wasteful number, since it uses less digits than its factorization.

125424520000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10555 (or 10530 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 125424520000 its reverse (25424521), we get a palindrome (125449944521).

The spelling of 125424520000 in words is "one hundred twenty-five billion, four hundred twenty-four million, five hundred twenty thousand".